diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_accept_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_accept_task.cpp
new file mode 100644
index 000000000..3dfd71bcd
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_accept_task.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result AcceptTask::SetArguments(s32 server_handle) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Set our arguments. */
+ m_server_handle = server_handle;
+
+ return ResultSuccess();
+ }
+
+ void AcceptTask::Complete(htcs::SocketError err, s32 desc) {
+ /* Set our results. */
+ m_err = err;
+ m_desc = desc;
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result AcceptTask::GetResult(htcs::SocketError *out_err, s32 *out_desc, s32 server_handle) const {
+ /* Check the server handle. */
+ R_UNLESS(m_server_handle == server_handle, htcs::ResultInvalidServerHandle());
+
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_desc = m_desc;
+
+ return ResultSuccess();
+ }
+
+ Result AcceptTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1]);
+
+ return ResultSuccess();
+ }
+
+ Result AcceptTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Accept,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_server_handle,
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_bind_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_bind_task.cpp
new file mode 100644
index 000000000..1149867bc
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_bind_task.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result BindTask::SetArguments(s32 handle, const HtcsPeerName &peer_name, const HtcsPortName &port_name) {
+ /* Set our arguments. */
+ m_handle = handle;
+ m_peer_name = peer_name;
+ m_port_name = port_name;
+
+ return ResultSuccess();
+ }
+
+ void BindTask::Complete(htcs::SocketError err) {
+ /* Set our results. */
+ m_err = err;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result BindTask::GetResult(htcs::SocketError *out_err) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+
+ return ResultSuccess();
+ }
+
+ Result BindTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]));
+
+ return ResultSuccess();
+ }
+
+ Result BindTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Bind,
+ .body_size = sizeof(m_peer_name) + sizeof(m_port_name),
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ },
+ };
+ std::memcpy(packet->data + 0, std::addressof(m_peer_name), sizeof(m_peer_name));
+ std::memcpy(packet->data + sizeof(m_peer_name), std::addressof(m_port_name), sizeof(m_port_name));
+
+ /* Set the output size. */
+ *out = sizeof(*packet) + sizeof(m_peer_name) + sizeof(m_port_name);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_close_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_close_task.cpp
new file mode 100644
index 000000000..f896b749e
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_close_task.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result CloseTask::SetArguments(s32 handle) {
+ /* Set our arguments. */
+ m_handle = handle;
+
+ return ResultSuccess();
+ }
+
+ void CloseTask::Complete(htcs::SocketError err) {
+ /* Set our results. */
+ m_err = err;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result CloseTask::GetResult(htcs::SocketError *out_err) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+
+ return ResultSuccess();
+ }
+
+ Result CloseTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]));
+
+ return ResultSuccess();
+ }
+
+ Result CloseTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Close,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_connect_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_connect_task.cpp
new file mode 100644
index 000000000..dbbb46d6e
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_connect_task.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result ConnectTask::SetArguments(s32 handle, const HtcsPeerName &peer_name, const HtcsPortName &port_name) {
+ /* Set our arguments. */
+ m_handle = handle;
+ m_peer_name = peer_name;
+ m_port_name = port_name;
+
+ return ResultSuccess();
+ }
+
+ void ConnectTask::Complete(htcs::SocketError err) {
+ /* Set our results. */
+ m_err = err;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result ConnectTask::GetResult(htcs::SocketError *out_err) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+
+ return ResultSuccess();
+ }
+
+ Result ConnectTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]));
+
+ return ResultSuccess();
+ }
+
+ Result ConnectTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Connect,
+ .body_size = sizeof(m_peer_name) + sizeof(m_port_name),
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ },
+ };
+ std::memcpy(packet->data + 0, std::addressof(m_peer_name), sizeof(m_peer_name));
+ std::memcpy(packet->data + sizeof(m_peer_name), std::addressof(m_port_name), sizeof(m_port_name));
+
+ /* Set the output size. */
+ *out = sizeof(*packet) + sizeof(m_peer_name) + sizeof(m_port_name);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_fcntl_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_fcntl_task.cpp
new file mode 100644
index 000000000..29d84ffae
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_fcntl_task.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result FcntlTask::SetArguments(s32 handle, s32 command, s32 value) {
+ /* Set our arguments. */
+ m_handle = handle;
+ m_command = command;
+ m_value = value;
+
+ return ResultSuccess();
+ }
+
+ void FcntlTask::Complete(htcs::SocketError err, s32 res) {
+ /* Set our results. */
+ m_err = err;
+ m_res = res;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result FcntlTask::GetResult(htcs::SocketError *out_err, s32 *out_res) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_res = m_res;
+
+ return ResultSuccess();
+ }
+
+ Result FcntlTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1]);
+
+ return ResultSuccess();
+ }
+
+ Result FcntlTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Fcntl,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_command,
+ m_value,
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_listen_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_listen_task.cpp
new file mode 100644
index 000000000..101157e18
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_listen_task.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result ListenTask::SetArguments(s32 handle, s32 backlog) {
+ /* Set our arguments. */
+ m_handle = handle;
+ m_backlog = backlog;
+
+ return ResultSuccess();
+ }
+
+ void ListenTask::Complete(htcs::SocketError err) {
+ /* Set our results. */
+ m_err = err;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result ListenTask::GetResult(htcs::SocketError *out_err) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+
+ return ResultSuccess();
+ }
+
+ Result ListenTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]));
+
+ return ResultSuccess();
+ }
+
+ Result ListenTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Listen,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_backlog,
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_small_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_small_task.cpp
new file mode 100644
index 000000000..312d8a02b
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_small_task.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result ReceiveSmallTask::SetArguments(s32 handle, s64 size, htcs::MessageFlag flags) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Set our arguments. */
+ m_handle = handle;
+ m_size = size;
+ m_flags = flags;
+
+ return ResultSuccess();
+ }
+
+ void ReceiveSmallTask::Complete(htcs::SocketError err, s64 size) {
+ /* Set our results. */
+ m_err = err;
+ m_result_size = size;
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result ReceiveSmallTask::GetResult(htcs::SocketError *out_err, s64 *out_size) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_size = m_result_size;
+
+ return ResultSuccess();
+ }
+
+ Result ReceiveSmallTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Copy the data to our buffer. */
+ std::memcpy(m_buffer, packet->data, packet->body_size);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->body_size);
+
+ return ResultSuccess();
+ }
+
+ Result ReceiveSmallTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Receive,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_size,
+ static_cast(m_flags),
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+ bool ReceiveSmallTask::IsReceiveBufferRequired() {
+ return true;
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_task.cpp
new file mode 100644
index 000000000..d95420993
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_receive_task.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result ReceiveTask::SetArguments(s32 handle, s64 size, htcs::MessageFlag flags) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Set our arguments. */
+ m_handle = handle;
+ m_size = size;
+ m_flags = flags;
+
+ return ResultSuccess();
+ }
+
+ void ReceiveTask::Complete(htcs::SocketError err, s64 size) {
+ /* Set our results. */
+ m_err = err;
+ m_result_size = size;
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result ReceiveTask::GetResult(htcs::SocketError *out_err, s64 *out_size) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_size = m_result_size;
+
+ return ResultSuccess();
+ }
+
+ Result ReceiveTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1]);
+
+ return ResultSuccess();
+ }
+
+ Result ReceiveTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::ReceiveLarge,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_size,
+ static_cast(m_flags),
+ GetReceiveDataChannelId(task_id),
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+ Result ReceiveTask::CreateNotification(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Notification,
+ .type = HtcsPacketType::ReceiveLarge,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ /* ... */
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_select_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_select_task.cpp
new file mode 100644
index 000000000..09e1507a9
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_select_task.cpp
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result SelectTask::SetArguments(Span read_handles, Span write_handles, Span exception_handles, s64 tv_sec, s64 tv_usec) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Sanity check the spans. */
+ AMS_ASSERT(0 <= read_handles.size() && read_handles.size() < static_cast(SocketCountMax));
+ AMS_ASSERT(0 <= write_handles.size() && write_handles.size() < static_cast(SocketCountMax));
+ AMS_ASSERT(0 <= exception_handles.size() && exception_handles.size() < static_cast(SocketCountMax));
+
+ /* Set our arguments. */
+ m_read_handle_count = static_cast(read_handles.size());
+ m_write_handle_count = static_cast(write_handles.size());
+ m_exception_handle_count = static_cast(exception_handles.size());
+ m_tv_sec = tv_sec;
+ m_tv_usec = tv_usec;
+
+ /* Copy the handles. */
+ std::memcpy(m_handles, read_handles.data(), read_handles.size_bytes());
+ std::memcpy(m_handles + m_read_handle_count, write_handles.data(), write_handles.size_bytes());
+ std::memcpy(m_handles + m_read_handle_count + m_write_handle_count, exception_handles.data(), exception_handles.size_bytes());
+
+ return ResultSuccess();
+ }
+
+ void SelectTask::Complete(htcs::SocketError err, s32 read_handle_count, s32 write_handle_count, s32 exception_handle_count, const void *body, s64 body_size) {
+ /* Sanity check the handle counts. */
+ const auto handle_count = read_handle_count + write_handle_count + exception_handle_count;
+ AMS_ASSERT(0 <= read_handle_count && read_handle_count < SocketCountMax);
+ AMS_ASSERT(0 <= write_handle_count && write_handle_count < SocketCountMax);
+ AMS_ASSERT(0 <= exception_handle_count && exception_handle_count < SocketCountMax);
+ AMS_ASSERT(handle_count * static_cast(sizeof(s32)) == body_size);
+
+ /* Set our results. */
+ m_err = err;
+ m_out_read_handle_count = read_handle_count;
+ m_out_write_handle_count = write_handle_count;
+ m_out_exception_handle_count = exception_handle_count;
+
+ /* Copy the handles. */
+ std::memcpy(m_out_handles, static_cast(body), sizeof(s32) * read_handle_count);
+ std::memcpy(m_out_handles + read_handle_count, static_cast(body) + read_handle_count, sizeof(s32) * write_handle_count);
+ std::memcpy(m_out_handles + read_handle_count + write_handle_count, static_cast(body) + read_handle_count + write_handle_count, sizeof(s32) * exception_handle_count);
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result SelectTask::GetResult(htcs::SocketError *out_err, bool *out_empty, Span read_handles, Span write_handles, Span exception_handles) const {
+ /* Set the output error. */
+ *out_err = m_err;
+
+ /* Set the output empty value. */
+ const bool empty = m_err == HTCS_ENONE && m_out_read_handle_count == 0 && m_out_write_handle_count == 0 && m_out_exception_handle_count == 0;
+ *out_empty = empty;
+
+ /* Clear the output spans. */
+ std::fill(read_handles.begin(), read_handles.end(), 0);
+ std::fill(write_handles.begin(), write_handles.end(), 0);
+ std::fill(exception_handles.begin(), exception_handles.end(), 0);
+
+ /* Copy the handles. */
+ if (m_err == HTCS_ENONE && !empty) {
+ const s32 * const out_read_start = m_out_handles;
+ const s32 * const out_read_end = out_read_start + m_out_read_handle_count;
+ const s32 * const out_write_start = out_read_end;
+ const s32 * const out_write_end = out_write_start + m_out_write_handle_count;
+ const s32 * const out_exception_start = out_write_end;
+ const s32 * const out_exception_end = out_exception_start + m_out_exception_handle_count;
+ std::copy(out_read_start, out_read_end, read_handles.begin());
+ std::copy(out_write_start, out_write_end, write_handles.begin());
+ std::copy(out_exception_start, out_exception_end, exception_handles.begin());
+ } else {
+ const s32 * const read_start = m_handles;
+ const s32 * const read_end = read_start + m_read_handle_count;
+ const s32 * const write_start = read_end;
+ const s32 * const write_end = write_start + m_write_handle_count;
+ const s32 * const exception_start = write_end;
+ const s32 * const exception_end = exception_start + m_exception_handle_count;
+ std::copy(read_start, read_end, read_handles.begin());
+ std::copy(write_start, write_end, write_handles.begin());
+ std::copy(exception_start, exception_end, exception_handles.begin());
+ }
+
+ return ResultSuccess();
+ }
+
+ Result SelectTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1], packet->params[2], packet->params[3], packet->data, size - sizeof(*packet));
+
+ return ResultSuccess();
+ }
+
+ Result SelectTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Determine the body size. */
+ const auto handle_count = m_read_handle_count + m_write_handle_count + m_exception_handle_count;
+ const s64 body_size = static_cast(handle_count * sizeof(s32));
+ AMS_ASSERT(sizeof(HtcsRpcPacket) + body_size <= size);
+
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Select,
+ .body_size = body_size,
+ .task_id = task_id,
+ .params = {
+ m_read_handle_count,
+ m_write_handle_count,
+ m_exception_handle_count,
+ m_tv_sec,
+ m_tv_usec,
+ },
+ };
+
+ /* Set the packet body. */
+ std::memcpy(packet->data, m_handles, body_size);
+
+ /* Set the output size. */
+ *out = sizeof(*packet) + body_size;
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_small_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_small_task.cpp
new file mode 100644
index 000000000..1765089ca
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_small_task.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ void SendSmallTask::SetBuffer(const void *buffer, s64 buffer_size) {
+ /* Sanity check the buffer size. */
+ AMS_ASSERT(0 <= buffer_size && buffer_size <= static_cast(sizeof(m_buffer)));
+
+ /* Set our buffer. */
+ if (buffer_size > 0) {
+ std::memcpy(m_buffer, buffer, buffer_size);
+ }
+ m_buffer_size = buffer_size;
+ }
+
+ void SendSmallTask::NotifyDataChannelReady() {
+ /* Notify. */
+ this->Notify();
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+ }
+
+ void SendSmallTask::WaitNotification() {
+ /* Wait on our ready event. */
+ m_ready_event.Wait();
+ }
+
+ Result SendSmallTask::SetArguments(s32 handle, s64 size, htcs::MessageFlag flags) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Set our arguments. */
+ m_handle = handle;
+ m_size = size;
+ m_flags = flags;
+
+ return ResultSuccess();
+ }
+
+ void SendSmallTask::Complete(htcs::SocketError err, s64 size) {
+ /* Set our results. */
+ m_err = err;
+ m_result_size = size;
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result SendSmallTask::GetResult(htcs::SocketError *out_err, s64 *out_size) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_size = m_result_size;
+
+ return ResultSuccess();
+ }
+
+ void SendSmallTask::Cancel(htc::server::rpc::RpcTaskCancelReason reason) {
+ /* Cancel the task. */
+ HtcsSignalingTask::Cancel(reason);
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+ }
+
+ Result SendSmallTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), this->GetSize());
+
+ return ResultSuccess();
+ }
+
+ Result SendSmallTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Sanity check our size. */
+ AMS_ASSERT(sizeof(HtcsRpcPacket) + this->GetBufferSize() <= size);
+
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Send,
+ .body_size = this->GetSize(),
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_size,
+ static_cast(m_flags),
+ },
+ };
+
+ /* Set the body. */
+ if (this->GetSize() > 0) {
+ std::memcpy(packet->data, this->GetBuffer(), this->GetSize());
+ }
+
+ /* Set the output size. */
+ *out = sizeof(*packet) + this->GetSize();
+
+ return ResultSuccess();
+ }
+
+ bool SendSmallTask::IsSendBufferRequired() {
+ return this->GetSize() > 0;
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_task.cpp
new file mode 100644
index 000000000..126c4af52
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_send_task.cpp
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ void SendTask::SetBuffer(const void *buffer, s64 buffer_size) {
+ /* Set our buffer. */
+ m_buffer = buffer;
+ m_buffer_size = buffer_size;
+ }
+
+ void SendTask::NotifyDataChannelReady() {
+ /* Notify. */
+ this->Notify();
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+ }
+
+ void SendTask::WaitNotification() {
+ /* Wait on our ready event. */
+ m_ready_event.Wait();
+ }
+
+ Result SendTask::SetArguments(s32 handle, s64 size, htcs::MessageFlag flags) {
+ /* Check that we're valid. */
+ R_UNLESS(this->IsValid(), htcs::ResultInvalidTask());
+
+ /* Set our arguments. */
+ m_handle = handle;
+ m_size = size;
+ m_flags = flags;
+
+ return ResultSuccess();
+ }
+
+ void SendTask::Complete(htcs::SocketError err, s64 size) {
+ /* Set our results. */
+ m_err = err;
+ m_result_size = size;
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+
+ /* Complete. */
+ HtcsSignalingTask::Complete();
+ }
+
+ Result SendTask::GetResult(htcs::SocketError *out_err, s64 *out_size) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_size = m_result_size;
+
+ return ResultSuccess();
+ }
+
+ void SendTask::Cancel(htc::server::rpc::RpcTaskCancelReason reason) {
+ /* Cancel the task. */
+ HtcsSignalingTask::Cancel(reason);
+
+ /* Signal our ready event. */
+ m_ready_event.Signal();
+ }
+
+ Result SendTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1]);
+
+ return ResultSuccess();
+ }
+
+ Result SendTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::SendLarge,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ m_size,
+ static_cast(m_flags),
+ GetSendDataChannelId(task_id),
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+ Result SendTask::ProcessNotification(const char *data, size_t size) {
+ this->NotifyDataChannelReady();
+ return ResultSuccess();
+ }
+
+ Result SendTask::CreateNotification(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Notification,
+ .type = HtcsPacketType::SendLarge,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ /* ... */
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_shutdown_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_shutdown_task.cpp
new file mode 100644
index 000000000..c7c5d9a40
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_shutdown_task.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ Result ShutdownTask::SetArguments(s32 handle, ShutdownType how) {
+ /* Set our arguments. */
+ m_handle = handle;
+ m_how = how;
+
+ return ResultSuccess();
+ }
+
+ void ShutdownTask::Complete(htcs::SocketError err) {
+ /* Set our results. */
+ m_err = err;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result ShutdownTask::GetResult(htcs::SocketError *out_err) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+
+ return ResultSuccess();
+ }
+
+ Result ShutdownTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]));
+
+ return ResultSuccess();
+ }
+
+ Result ShutdownTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = this->GetVersion(),
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Shutdown,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ m_handle,
+ static_cast(m_how),
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_signaling_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_signaling_task.cpp
new file mode 100644
index 000000000..d1fde1067
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_signaling_task.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ namespace {
+
+ constexpr int MaxEventCount = 0x22;
+
+ constinit os::SdkMutex g_event_count_mutex;
+ constinit int g_event_count = 0;
+
+ }
+
+ HtcsSignalingTask::HtcsSignalingTask(HtcsTaskType type) : HtcsTask(type), m_is_valid(false) {
+ /* Acquire the exclusive right to create an event. */
+ std::scoped_lock lk(g_event_count_mutex);
+
+ /* Create an event. */
+ if (AMS_LIKELY(g_event_count < MaxEventCount)) {
+ /* Make the event. */
+ R_ABORT_UNLESS(os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true));
+
+ /* Increment the event count. */
+ ++g_event_count;
+
+ /* Mark ourselves as valid. */
+ m_is_valid = true;
+ }
+ }
+
+ HtcsSignalingTask::~HtcsSignalingTask() {
+ /* If we have an event, we need to destroy it. */
+ if (AMS_LIKELY(m_is_valid)) {
+ /* Acquire exclusive access to the event count. */
+ std::scoped_lock lk(g_event_count_mutex);
+
+ /* Destroy our event. */
+ os::DestroySystemEvent(std::addressof(m_system_event));
+
+ /* Decrement the event count. */
+ if ((--g_event_count) < 0) {
+ g_event_count = 0;
+ }
+ }
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_socket_task.cpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_socket_task.cpp
new file mode 100644
index 000000000..828fe0ee4
--- /dev/null
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_socket_task.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include
+#include "htcs_rpc_tasks.hpp"
+
+namespace ams::htcs::impl::rpc {
+
+ namespace {
+
+ constinit s16 g_protocol_version = HtcsMaxVersion;
+
+ }
+
+ HtcsTask::HtcsTask(HtcsTaskType type) : m_task_type(type), m_version(g_protocol_version) {
+ /* ... */
+ }
+
+ Result SocketTask::SetArguments() {
+ return ResultSuccess();
+ }
+
+ void SocketTask::Complete(htcs::SocketError err, s32 desc) {
+ /* Set our results. */
+ m_err = err;
+ m_desc = desc;
+
+ /* Complete. */
+ HtcsTask::Complete();
+ }
+
+ Result SocketTask::GetResult(htcs::SocketError *out_err, s32 *out_desc) const {
+ /* Sanity check our state. */
+ AMS_ASSERT(this->GetTaskState() == htc::server::rpc::RpcTaskState::Completed);
+
+ /* Set the output. */
+ *out_err = m_err;
+ *out_desc = m_desc;
+
+ return ResultSuccess();
+ }
+
+ Result SocketTask::ProcessResponse(const char *data, size_t size) {
+ /* Convert the input to a packet. */
+ auto *packet = reinterpret_cast(data);
+
+ /* Update the global protocol version. */
+ g_protocol_version = std::min(g_protocol_version, packet->version);
+
+ /* Complete the task. */
+ this->Complete(static_cast(packet->params[0]), packet->params[1]);
+
+ return ResultSuccess();
+ }
+
+ Result SocketTask::CreateRequest(size_t *out, char *data, size_t size, u32 task_id) {
+ /* Create the packet. */
+ auto *packet = reinterpret_cast(data);
+ *packet = {
+ .protocol = HtcsProtocol,
+ .version = 3,
+ .category = HtcsPacketCategory::Request,
+ .type = HtcsPacketType::Socket,
+ .body_size = 0,
+ .task_id = task_id,
+ .params = {
+ /* ... */
+ },
+ };
+
+ /* Set the output size. */
+ *out = sizeof(*packet);
+
+ return ResultSuccess();
+ }
+
+}
diff --git a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_tasks.hpp b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_tasks.hpp
index 582b62858..e4c388189 100644
--- a/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_tasks.hpp
+++ b/libraries/libstratosphere/source/htcs/impl/rpc/htcs_rpc_tasks.hpp
@@ -35,14 +35,71 @@ namespace ams::htcs::impl::rpc {
Select = 12,
};
- constexpr inline const s16 ProtocolVersion = 4;
+ constexpr inline s16 HtcsProtocol = 5;
+ constexpr inline const s16 HtcsMaxVersion = 4;
+
+ enum class HtcsPacketCategory : s16 {
+ Request = 0,
+ Response = 1,
+ Notification = 2,
+ };
+
+ enum class HtcsPacketType : s16 {
+ Receive = 32,
+ Send = 33,
+ Shutdown = 34,
+ Close = 35,
+ Connect = 36,
+ Listen = 37,
+ Accept = 38,
+ Socket = 39,
+ Bind = 40,
+ Fcntl = 41,
+ ReceiveLarge = 42,
+ SendLarge = 43,
+ Select = 44,
+ };
+
+ struct HtcsRpcPacket {
+ s16 protocol;
+ s16 version;
+ HtcsPacketCategory category;
+ HtcsPacketType type;
+ s64 body_size;
+ u32 task_id;
+ s64 params[5];
+ char data[];
+ };
+ static_assert(sizeof(HtcsRpcPacket) == 0x40);
+
+ constexpr inline u16 ReceiveDataChannelIdBegin = htc::server::rpc::MaxRpcCount;
+ constexpr inline u16 ReceiveDataChannelIdEnd = ReceiveDataChannelIdBegin + htc::server::rpc::MaxRpcCount;
+ static_assert(ReceiveDataChannelIdEnd - ReceiveDataChannelIdBegin == htc::server::rpc::MaxRpcCount);
+
+ constexpr inline u16 SendDataChannelIdBegin = ReceiveDataChannelIdEnd;
+ constexpr inline u16 SendDataChannelIdEnd = SendDataChannelIdBegin + htc::server::rpc::MaxRpcCount;
+ static_assert(SendDataChannelIdEnd - SendDataChannelIdBegin == htc::server::rpc::MaxRpcCount);
+
+ constexpr inline u16 GetReceiveDataChannelId(u32 task_id) {
+ const u16 channel_id = task_id + ReceiveDataChannelIdBegin;
+ AMS_ASSERT(ReceiveDataChannelIdBegin <= channel_id && channel_id < ReceiveDataChannelIdEnd);
+
+ return channel_id;
+ }
+
+ constexpr inline u16 GetSendDataChannelId(u32 task_id) {
+ const u16 channel_id = task_id + SendDataChannelIdBegin;
+ AMS_ASSERT(SendDataChannelIdBegin <= channel_id && channel_id < SendDataChannelIdEnd);
+
+ return channel_id;
+ }
class HtcsTask : public htc::server::rpc::Task {
private:
HtcsTaskType m_task_type;
s16 m_version;
public:
- HtcsTask(HtcsTaskType type) : m_task_type(type), m_version(ProtocolVersion) { /* ... */ }
+ HtcsTask(HtcsTaskType type); /* Defined in socket_task.cpp, for namespacing reasons. */
HtcsTaskType GetTaskType() const { return m_task_type; }
s16 GetVersion() const { return m_version; }
@@ -116,7 +173,7 @@ namespace ams::htcs::impl::rpc {
s32 m_handle;
s64 m_size;
htcs::MessageFlag m_flags;
- void *m_buffer;
+ const void *m_buffer;
s64 m_buffer_size;
htcs::SocketError m_err;
s64 m_result_size;
@@ -126,7 +183,7 @@ namespace ams::htcs::impl::rpc {
s32 GetHandle() const { return m_handle; }
s64 GetSize() const { return m_size; }
htcs::MessageFlag GetFlags() const { return m_flags; }
- void *GetBuffer() const { return m_buffer; }
+ const void *GetBuffer() const { return m_buffer; }
s64 GetBufferSize() const { return m_buffer_size; }
void SetBuffer(const void *buffer, s64 buffer_size);
@@ -305,7 +362,7 @@ namespace ams::htcs::impl::rpc {
s32 GetValue() const { return m_value; }
public:
Result SetArguments(s32 handle, s32 command, s32 value);
- void Complete(htcs::SocketError err);
+ void Complete(htcs::SocketError err, s32 res);
Result GetResult(htcs::SocketError *out_err, s32 *out_res) const;
public:
virtual Result ProcessResponse(const char *data, size_t size) override;
diff --git a/libraries/libvapours/include/vapours/results/htcs_results.hpp b/libraries/libvapours/include/vapours/results/htcs_results.hpp
index 3b3bc0a5d..216fe80ed 100644
--- a/libraries/libvapours/include/vapours/results/htcs_results.hpp
+++ b/libraries/libvapours/include/vapours/results/htcs_results.hpp
@@ -22,9 +22,11 @@ namespace ams::htcs {
R_DEFINE_ERROR_RESULT(InvalidHandle, 9);
- R_DEFINE_ERROR_RESULT(InvalidArgument, 2001);
- R_DEFINE_ERROR_RESULT(InvalidSize, 2014);
- R_DEFINE_ERROR_RESULT(Cancelled, 2021);
- R_DEFINE_ERROR_RESULT(Completed, 2023);
+ R_DEFINE_ERROR_RESULT(InvalidArgument, 2001);
+ R_DEFINE_ERROR_RESULT(InvalidServerHandle, 2003);
+ R_DEFINE_ERROR_RESULT(InvalidSize, 2014);
+ R_DEFINE_ERROR_RESULT(Cancelled, 2021);
+ R_DEFINE_ERROR_RESULT(Completed, 2023);
+ R_DEFINE_ERROR_RESULT(InvalidTask, 2103);
}